*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a{
  text-decoration: none;
}
ul{
  list-style: none;
}
.banxin{
  width: 1200px;
  margin: 0 auto;
}
.head{
  height: 70px;
  width: 100%;
  top: 0;
  z-index: 999;
}
.logo{
  float: left;
margin-top: 20px;
  margin-left: 30px;
  padding-right: 500px;
}
.nav{
  float: left;
  height: 70px;
  width: 400px;
  /* margin: 0 auto ; */
}
.nav .navigation{
  list-style: none;
}
.navigation .item{
  line-height: 70px;
  text-align: center;
  float: left;
 margin-left: 35px;
}
.navigation .item.on{
  border-bottom: 2px solid #fff;
font-weight: bold;
}
.item a{
  color:white;
  /* font-weight: bold; */
}
.login{
  margin-top: 23px;
  width: 160px;
  float: right;
  margin-right: 15px;
 
}
.login .btn1{
  width: 60px;
  height: 25px;
  border: 2px solid white;
  border-radius: 15px;
  color: white;
  background-color:transparent
}
.login .btn2{
  margin-left: 10px;
  color: white;
  width: 80px;
  height: 25px;
  border:none;
  border-radius: 15px;
  background-color: #ed510a;
}
/* 尾部 */
footer{
  height: 350px;
  padding-top: 43px;
}
footer .big{
  float: left;
  height: 270px;
}
.big .xiugai{
  height: 230px;
  margin-bottom: 40px;
}
.big .lianjie{
  margin-right: 75px;
  height: 200px;
  width: 83px;
  float: left;
}
.lianjie h4{
  font-weight: normal;
  font-size: 14px;
  margin-bottom: 34px;
}
.lianjie ul{
  font-size: 12px;
  color: #b3b3b3;
}
.lianjie ul li{
  margin-bottom: 15px;
}
.wei{
  height: 20px;
  margin-bottom: 10px;
  background: url(../images/bei2.png)no-repeat;
  position: relative;
}
.wei img{
  position: absolute;
  left: 20px;
}
.wei p{
  padding-left: 40px;
  font-size: 12px;
  color: #b3b3b3;
}
.you{
  width: 230px;
  float:right;
  position: relative;
}
.you h4{
  font-weight: normal;
  font-size: 14px;
 margin-bottom: 10px;
}
.you p{
  font-size: 13px;
  color: #b3b3b3;
}
.you img{
  margin-top: 35px;
}
.you .pp{
  margin-top: 75px;
  font-size: 14px;
  position: absolute;
  left: -100px;
}
